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Xiao Xiao
Researcher at University of Maine
Publications - 34
Citations - 1162
Xiao Xiao is an academic researcher from University of Maine. The author has contributed to research in topics: Relative abundance distribution & Species richness. The author has an hindex of 15, co-authored 34 publications receiving 925 citations. Previous affiliations of Xiao Xiao include Intuit & Utah State University.
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On the use of log‐transformation vs. nonlinear regression for analyzing biological power laws
TL;DR: Using Monte Carlo simulations, it is demonstrated that the error distribution determines which method performs better, with NLR better characterizing data with additive, homoscedastic, normal error and LR better characterizes data with multiplicative, heteroscedastics, lognormal error.
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Embracing scale-dependence to achieve a deeper understanding of biodiversity and its change across communities
Jonathan M. Chase,Brian J. McGill,Daniel J. McGlinn,Felix May,Shane A. Blowes,Xiao Xiao,Tiffany M. Knight,Tiffany M. Knight,Oliver Purschke,Nicholas J. Gotelli +9 more
TL;DR: A synthesis of methods based on rarefaction curves that allow more explicit analyses of spatial and sampling effects on biodiversity comparisons are described, using a case study of nutrient additions in experimental ponds to illustrate how this multi-dimensional and multi-scale perspective informs the responses of biodiversity to ecological drivers.
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Characterizing species abundance distributions across taxa and ecosystems using a simple maximum entropy model
TL;DR: This work shows that a simple maximum entropy model produces a truncated log-series distribution that can predict between 83% and 93% of the observed variation in the rank abundance of species across 15 848 globally distributed communities including birds, mammals, plants, and butterflies.
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Measurement of Biodiversity (MoB): A method to separate the scale‐dependent effects of species abundance distribution, density, and aggregation on diversity change
Daniel J. McGlinn,Xiao Xiao,Felix May,Nicholas J. Gotelli,Thore Engel,Shane A. Blowes,Tiffany M. Knight,Tiffany M. Knight,Oliver Purschke,Jonathan M. Chase,Brian J. McGill +10 more
TL;DR: This article decompose scale-specific changes in richness into proximate components attributed to: 1) the species abundance distribution, 2) density of individuals, and 3) the spatial arrangement of individuals.
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An extensive comparison of species-abundance distribution models.
TL;DR: Across all datasets combined the log-series, Poisson lognormal, and negative binomial all yield similar overall fits to the data, and when correcting for differences in the number of parameters thelog-series generally provides the best fit to data.